Home / 1,124,801.75-1,687,596.26-326,131.22

Finding the Fourth Proportional to 1,124,801.75, 1,687,596.26 and 326,131.22

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Solution

The fourth proportional to 1,124,801.75, 1,687,596.26 and 326,131.22 is: 489,310.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,801.75 : 1,687,596.26 = 326,131.22 : x
  2. Step 2: Convert to fraction form
    1,124,801.75/1,687,596.26 = 326,131.22/x
  3. Step 3: Cross multiply
    1,124,801.75x = 1,687,596.26 × 326,131.22
  4. Step 4: Simplify right side
    1,124,801.75x = 550,377,817,072.60
  5. Step 5: Solve for x
    x = 550,377,817,072.60/1,124,801.75
  6. Step 6: Final answer
    x = 489,310.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.